powerpc: Remove trival irq_host_ops.unmap

These all just clear chip or chipdata fields, which will be done
by the generic code when we call irq_free_descs.

Signed-off-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

4 files changed, 0 insertions, 28 deletions

diff --git a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c
index 5d6c34ce0cba..8ccf9ed62fe2 100644
--- a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c
+++ b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c
@@ -112,16 +112,8 @@ static int pci_pic_host_map(struct irq_host *h, unsigned int virq,
         return 0;
 }
 
-static void pci_host_unmap(struct irq_host *h, unsigned int virq)
-{
-        /* remove chip and handler */
-        irq_set_chip_data(virq, NULL);
-        irq_set_chip(virq, NULL);
-}
-
 static struct irq_host_ops pci_pic_host_ops = {
         .map = pci_pic_host_map,
-        .unmap = pci_host_unmap,
 };
 
 int __init pq2ads_pci_init_irq(void)
diff --git a/arch/powerpc/platforms/embedded6xx/flipper-pic.c b/arch/powerpc/platforms/embedded6xx/flipper-pic.c
index 77cbe4c8f953..f61a2dd96b99 100644
--- a/arch/powerpc/platforms/embedded6xx/flipper-pic.c
+++ b/arch/powerpc/platforms/embedded6xx/flipper-pic.c
@@ -107,12 +107,6 @@ static int flipper_pic_map(struct irq_host *h, unsigned int virq,
         return 0;
 }
 
-static void flipper_pic_unmap(struct irq_host *h, unsigned int irq)
-{
-        irq_set_chip_data(irq, NULL);
-        irq_set_chip(irq, NULL);
-}
-
 static int flipper_pic_match(struct irq_host *h, struct device_node *np)
 {
         return 1;
@@ -121,7 +115,6 @@ static int flipper_pic_match(struct irq_host *h, struct device_node *np)
 
 static struct irq_host_ops flipper_irq_host_ops = {
         .map = flipper_pic_map,
-        .unmap = flipper_pic_unmap,
         .match = flipper_pic_match,
 };
 
diff --git a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c
index 44b398b0a2fd..e4919170c6bc 100644
--- a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c
+++ b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c
@@ -100,15 +100,8 @@ static int hlwd_pic_map(struct irq_host *h, unsigned int virq,
         return 0;
 }
 
-static void hlwd_pic_unmap(struct irq_host *h, unsigned int irq)
-{
-        irq_set_chip_data(irq, NULL);
-        irq_set_chip(irq, NULL);
-}
-
 static struct irq_host_ops hlwd_irq_host_ops = {
         .map = hlwd_pic_map,
-        .unmap = hlwd_pic_unmap,
 };
 
 static unsigned int __hlwd_pic_get_irq(struct irq_host *h)
diff --git a/arch/powerpc/platforms/ps3/interrupt.c b/arch/powerpc/platforms/ps3/interrupt.c
index 523bd0d34d9d..600ed2c0ed59 100644
--- a/arch/powerpc/platforms/ps3/interrupt.c
+++ b/arch/powerpc/platforms/ps3/interrupt.c
@@ -659,11 +659,6 @@ static void __maybe_unused _dump_mask(struct ps3_private *pd,
 static void dump_bmp(struct ps3_private* pd) {};
 #endif /* defined(DEBUG) */
 
-static void ps3_host_unmap(struct irq_host *h, unsigned int virq)
-{
-        irq_set_chip_data(virq, NULL);
-}
-
 static int ps3_host_map(struct irq_host *h, unsigned int virq,
         irq_hw_number_t hwirq)
 {
@@ -683,7 +678,6 @@ static int ps3_host_match(struct irq_host *h, struct device_node *np)
 
 static struct irq_host_ops ps3_host_ops = {
         .map = ps3_host_map,
-        .unmap = ps3_host_unmap,
         .match = ps3_host_match,
 };